Bump alpine from 3.23.2 to 3.23.3 (#114)

Bumps alpine from 3.23.2 to 3.23.3.

---
updated-dependencies:
- dependency-name: alpine
  dependency-version: 3.23.3
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Dockerfile

@@ -1,4 +1,4 @@
-FROM docker.io/alpine:3.23.2
+FROM docker.io/alpine:3.23.3
 
 # https://www.borgbackup.org/releases/
 # https://git.alpinelinux.org/aports/log/community/borgbackup?h=3.23-stable